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Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/bits/sched.h')
| -rw-r--r-- | uclibc-crosstools-gcc-4.4.2-1/usr/include/bits/sched.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/bits/sched.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/bits/sched.h new file mode 100644 index 0000000..b48a0c8 --- /dev/null +++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/bits/sched.h @@ -0,0 +1,132 @@ +/* Definitions of constants and data structure for POSIX 1003.1b-1993 + scheduling interface. + Copyright (C) 1996-1999,2001-2003,2005,2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef __need_schedparam + +#ifndef _SCHED_H +# error "Never include <bits/sched.h> directly; use <sched.h> instead." +#endif + + +/* Scheduling algorithms. */ +#define SCHED_OTHER 0 +#define SCHED_FIFO 1 +#define SCHED_RR 2 +#ifdef __USE_GNU +# define SCHED_BATCH 3 +#endif + +#ifdef __USE_MISC +/* Cloning flags. */ +# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */ +# define CLONE_VM 0x00000100 /* Set if VM shared between processes. */ +# define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */ +# define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */ +# define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */ +# define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */ +# define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to + wake it up on mm_release. */ +# define CLONE_PARENT 0x00008000 /* Set if we want to have the same + parent as the cloner. */ +# define CLONE_THREAD 0x00010000 /* Set to add to same thread group. */ +# define CLONE_NEWNS 0x00020000 /* Set to create new namespace. */ +# define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics. */ +# define CLONE_SETTLS 0x00080000 /* Set TLS info. */ +# define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer + before MM copy. */ +# define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory + location to clear. */ +# define CLONE_DETACHED 0x00400000 /* Create clone detached. */ +# define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't + force CLONE_PTRACE on this clone. */ +# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in + the child. */ +# define CLONE_STOPPED 0x02000000 /* Start in stopped state. */ +#endif + +/* The official definition. */ +struct sched_param + { + int __sched_priority; + }; + +__BEGIN_DECLS + +#ifdef __USE_MISC +/* Clone current process. */ +extern int clone (int (*__fn) (void *__arg), void *__child_stack, + int __flags, void *__arg, ...) __THROW; + +#if 0 +/* Unshare the specified resources. */ +extern int unshare (int __flags) __THROW; +#endif +#endif + +__END_DECLS + +#endif /* need schedparam */ + +#if !defined __defined_schedparam \ + && (defined __need_schedparam || defined _SCHED_H) +# define __defined_schedparam 1 +/* Data structure to describe a process' schedulability. */ +struct __sched_param + { + int __sched_priority; + }; +# undef __need_schedparam +#endif + + +#if defined _SCHED_H && !defined __cpu_set_t_defined +# define __cpu_set_t_defined +/* Size definition for CPU sets. */ +# define __CPU_SETSIZE 1024 +# define __NCPUBITS (8 * sizeof (__cpu_mask)) + +/* Type for array elements in 'cpu_set'. */ +typedef unsigned long int __cpu_mask; + +/* Basic access functions. */ +# define __CPUELT(cpu) ((cpu) / __NCPUBITS) +# define __CPUMASK(cpu) ((__cpu_mask) 1 << ((cpu) % __NCPUBITS)) + +/* Data structure to describe CPU mask. */ +typedef struct +{ + __cpu_mask __bits[__CPU_SETSIZE / __NCPUBITS]; +} cpu_set_t; + +/* Access functions for CPU masks. */ +# define __CPU_ZERO(cpusetp) \ + do { \ + unsigned int __i; \ + cpu_set_t *__arr = (cpusetp); \ + for (__i = 0; __i < sizeof (cpu_set_t) / sizeof (__cpu_mask); ++__i) \ + __arr->__bits[__i] = 0; \ + } while (0) +# define __CPU_SET(cpu, cpusetp) \ + ((cpusetp)->__bits[__CPUELT (cpu)] |= __CPUMASK (cpu)) +# define __CPU_CLR(cpu, cpusetp) \ + ((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu)) +# define __CPU_ISSET(cpu, cpusetp) \ + (((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0) +#endif |